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Understanding
Native Resolution
Native resolution - The resolution at which a
TV or monitor is designed to display images. Image signals higher or lower
than a specified native resolution must be converted to be displayed
accurately. For example, a TV with a native resolution of 1080i can display
1080i images but may upconvert 480p images to 1080i. In contrast, a TV with
a native resolution of 480p must downconvert a 1080i signal to 480p for
display. CRT-based projection TVs can have more than one native resolution,
but fixed-pixel displays such as LCD and DLP are limited to display one
resolution and convert all others. More info
NTSC - National Television Standards Committee, the FCC engineering group
formed in 1940 to develop technical standards for black-and-white television
(NTSC broadcasting began July 1, 1941) and color television (1953). NTSC is
also the video-transmission standard used in the western hemisphere, Japan,
and other Asian countries. NTSC standards are 525 lines of resolution
transmitted within a 6MHz channel at 30fps.
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